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Akademický článek

Timescales of water accumulation in magmas and implications for short warning times of explosive eruptions

Autor: M. Petrelli, K. El Omari, L. Spina, Y. Le Guer, G. La Spina, D. Perugini

Publikováno v: Nature Communications, Vol 9, Iss 1, Pp 1-14 (2018)

Volatiles such as water play a key role in magma ascent and ultimately triggering explosive eruptions. Here, the authors show that water-rich melts with water concentrations of 6–9 wt.% can ascend rapidly to the surface over the timescales of hours

Externí odkaz: https://doaj.org/article/3c25b15cc6a44ee396c6aed2625ffcb5

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Akademický článek

Role of syn-eruptive plagioclase disequilibrium crystallization in basaltic magma ascent dynamics

Autor: G. La Spina, M. Burton, M. de’ Michieli Vitturi, F. Arzilli

Publikováno v: Nature Communications, Vol 7, Iss 1, Pp 1-10 (2016)

The quantification of timing for crystallization and exsolution processes are fundamental to our understanding of basaltic magma ascent dynamics. Here, the authors constrain timings to show that plagioclase reaches equilibrium in 1-2 hours, whereas a

Externí odkaz: https://doaj.org/article/94a22e7fd6e84b63be1e081fe3d731fc

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Akademický článek

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Determining the Effect of Varying Magmatic Volatile Content on Lunar Magma Ascent Dynamics

Autor: G. La Spina, M. Lo, Katherine H. Joy, Margherita Polacci, Mike Burton

Publikováno v: Journal of Geophysical Research: Planets. 126

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c697bad235b7a0cc67b74382d9101cc2
https://doi.org/10.1029/2021je006939

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Akademický článek

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Numerical investigation of permeability models for low viscosity magmas: Application to the 2007 Stromboli effusive eruption

Autor: G. La Spina, Mike Burton, Margherita Polacci, M. de' Michieli Vitturi

Publikováno v: La Spina, G, Polacci, M, Burton, M & de'Michieli Vitturi, M 2017, ' Numerical investigation of permeability models for low viscosity magmas: application to the 2007 Stromboli effusive eruption. ', Earth and Planetary Science Letters . https://doi.org/10.1016/j.epsl.2017.06.013

Magma permeability is the most important factor controlling the transition between effusive and explosive styles during magma ascent at active volcanoes. When magma permeability is low, gas bubbles in the melt expand as the pressure decreases; above

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ef0d58c7f6fd7200375a1c6d723e3be3
https://doi.org/10.1016/j.epsl.2017.06.013

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Akademický článek

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Conduit dynamics of highly explosive basaltic eruptions: The 1085 CE Sunset Crater sub-Plinian events

Autor: M. de' Michieli Vitturi, C. M. Allison, Kurt Roggensack, G. La Spina, Amanda Clarke, F. Alfano, Mike Burton

Publikováno v: La Spina, G, Clarke, A B, De' Michieli Vitturi, M, Burton, M, Allison, C M, Roggensack, K & Alfano, F 2019, ' Conduit dynamics of highly explosive basaltic eruptions: The 1085 CE Sunset Crater sub-Plinian events ', Journal of Volcanology and Geothermal Research . https://doi.org/10.1016/j.jvolgeores.2019.08.001

Basaltic volcanoes produce a range of eruptive styles, from Strombolian to low-intensity fire fountaining to, much more rarely, highly explosive Plinian eruptions. Although the hazards posed by highly explosive eruptions are considerable, controlling

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1aa1f256643e8c0491d4cad33064242e
https://doi.org/10.1016/j.jvolgeores.2019.08.001

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Timescales of Water Accumulation in Magmas and Implications for Short Warning Times of Explosive Eruptions

Autor: Y. Le Guer, Maurizio Petrelli, Laura Spina, K. El Omari, G. La Spina, Diego Perugini

Publikováno v: Nature Communications
Nature Communications, Nature Publishing Group, 2018, 9 (1), pp.art. 770. ⟨10.1038/s41467-018-02987-6⟩
Petrelli, M, El Omari, K, Spina, L, Le Guer, Y, La Spina, G & Perugini, D 2018, ' Timescales of water accumulation in magmas and implications for short warning times of explosive eruptions ', Nature Communications, vol. 9, no. 1, 770 . https://doi.org/10.1038/s41467-018-02987-6
Nature Communications, Vol 9, Iss 1, Pp 1-14 (2018)

Water plays a key role in magma genesis, differentiation, ascent and, finally, eruption. Despite the recognized crucial function of water, there are still several issues that continue to blur our view about its role in magmatic systems. What are the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b2d570476c2b2aace6d72e32883b0497
https://hal-univ-pau.archives-ouvertes.fr/hal-02146091

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